Alrosa sold $17 million worth of rough at a large-stoneauction in Vladivostok last month, the Russian miner said Wednesday. The 121 diamonds — each over 10.8 carats — weighed acombined 2,000 carats, and fetched an average price...

Gemfields recorded record revenue of $71.8 million at its June ruby auction in Singapore, thecolored-gemstone supplier said Monday. The miner sold588,656 carats of rough, untreated rubies from the Montepuez mine in Mozambique, at an average price of $122...

Alrosa sold $14.8 million worth of large rough diamonds atan auction in Vladivostok, the Russian miner said last week. The sale featured 101 special-size stones —those over 10.8 carats — weighing a total of 1,751...

A 3.09-carat blue diamond smashed its pre-sale estimate atChristie’s Magnificent Jewels auction in New York last week. Therectangular-cut, fancy intense blue diamond ring, surrounded by taperedbaguette-cut diamonds on either side, sold for $5.4 million....

Colored gemstones were the leading sellers at the Bonhams NewYork auction, which saw a total of 84% of lots sold for a combined $4.5 million. The top lot, a Cartier Art Deco ruby and diamond bracelet...

Sotheby’s garnered $34 million across three salesthat made up its New York spring auctions, with a rare fancyintense blue diamond ring standing out as the highlight of the event. The combined auctions were 83.3%...

Sotheby’s Magnificent Jewels spring sale in New York willfeature a 33.25-carat, D-flawless diamond pendant necklace with a high estimateof $5 million, the auction house said last week. The event — one of three New York sales...

Bonhams New York will feature a 10.01-carat solitairediamond ring with an estimate of $500,000 to $700,000 at its spring jewelry salethis month.The round brilliant-cut, F-color, VVS2 piece is from aprivate collection in the US, according to the auction...

Sotheby’s New York April sale will feature gems andartifacts from jeweler Fred Leighton’s personal collection. The event, which will take place April 18, includes jewelry pricedbetween $5,000 and $100,000. Furniture...

Sotheby’s has named two senior managers for its Asian jewelry division: Lisa Chow as deputy chairman, and Jessica Wyndham as department head. Chow (pictured), who has been with the company since 1990,...

Phillips has appointed Susan Abeles head of jewelry for theAmericas, the auction house said Friday. Abeles (pictured), who will be based at the company’s New Yorkheadquarters, has been tasked with creating a jewelry team...

Bonhams has appointed Tim Bourne (pictured) as international directorof watches for Asia, where he will begin work at the end of February, the auctionhouse said last week. Bourne’s “trackrecord of success and proven business acumen...

De Beers’ auctions division will sell diamonds from othermining companies so clients can access a broader range of goods. The company will pilot the new program this year, making iteasier for customers to buy their...

Auctioneers Christie’s and Sotheby’s (as usual) generated much excitement in the diamond trade in 2017, putting some of the more interesting and colorful diamonds under the hammer. As the Rapaport News team looks back...

Christie’s and Sotheby’s saw combined jewelry sales of morethan $1 billion this year as major pieces smashed auction records. While neither company released a year-on-year comparison,Christie’s described 2017 as a “stellar year” for its jewelry department....

Gemfields recorded its highest auction total as it sold$54.8 million worth of rubies and corundum in Singapore last week.The sale fetched an average of $61 per carat for895,848 carats, out of just over 1 million carats that were...